/*
 * Copyright [2013-2021], Alibaba Group Holding Limited
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.alibaba.polardbx.executor.gms;

import com.alibaba.polardbx.optimizer.config.table.FileMeta;
import com.alibaba.polardbx.optimizer.config.table.TableMeta;

import java.util.List;
import java.util.Map;

public interface FileManager {
    FileManager INSTANCE = new OSSOrcFileManager();

    List<FileMeta> getFiles(String physicalSchema, String physicalTable, String logicalTableName);

    /**
     * Get file metas from partition info.
     *
     * @return { physical schema -> { physical table -> {file meta...} }}
     */
    Map<String, Map<String, List<FileMeta>>> getFiles(TableMeta tableMeta);
}
